Organic electroluminescent element and organic electroluminescent display
AssigneeIdemitsu Kosan Co., Ltd.
InventorsChisio Hosokawa, Mitsuru Eida, Masahide Matsuura
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Abstract
Disclosed is an organic electroluminescence element comprising a substrate, and a lower electrode 2, an organic layer 3 and a counter electrode 4 superposed on the substrate in the mentioned order, the lower electrode having a specific resistance which is equal to or more than 0.5.times.10.sup.-4 .OMEGA..multidot.cm, the lower electrode 2 being connected to a wiring layer 5, the wiring layer 5 being implanted in a planarization layer 6 interposed between the substrate 1 and the lower electrode 2 or in the substrate 1.
Claims20
An organic electroluminescence element comprising a substrate and thereon superposed in the mentioned order a lower electrode, an organic layer including an organic luminescent layer, and an counter electrode;
- said lower electrode having a specific resistance which is equal to or more than 0.5.times.10.sup.-4 .OMEGA..multidot.cm, said lower electrode connecting to a wiring layer for reducing the resistance value, said wiring layer being implanted in a planarization layer interposed between said substrate and said lower electrode.
An organic electroluminescence element comprising a substrate and thereon superposed in the mentioned order a lower electrode, an organic layer including an organic luminescent layer, and an counter electrode;
- said lower electrode having a specific resistance which is equal to or more than 0.5.times.10.sup.-4 .OMEGA..multidot.cm, said lower electrode connecting to a wiring layer for reducing the resistance value, said wiring layer being covered with a flattened interlayer insulating film interposed between said wiring layer and said organic layer including an organic luminescent layer.
The organic electroluminescence element according to any one of preceding claims, wherein
- said lower electrode is a transparent electrode.
An organic electroluminescence element comprising a substrate and thereon superposed in the mentioned order a lower electrode, an organic layer including an organic luminescent layer, and an counter electrode;
- said lower electrode being connected to a wiring layer, said wiring layer having a width which is equal to 15 to 150% of the width (the length of short side) of said lower electrode, said wiring layer being implanted in a planarization layer interposed between said substrate and said lower electrode.
An organic electroluminescence display device comprising a plurality of scanning electrode lines and a plurality of signal electrode lines intersecting said plurality of scanning electrode lines, with their intersections being provided with luminous pixels in arrays;
- said luminous pixels being organic electroluminescence elements each comprising a substrate and thereon superposed in the mentioned order a lower electrode, an organic layer including an organic luminescent layer, and an counter electrode, said scanning electrode lines each comprising said lower electrode and a wiring layer connected thereto, said wiring layer being implanted in a planarization layer interposed between said substrate and said lower electrode, said signal electrode lines each including said counter electrode.
An organic electroluminescence element comprising
- a substrate and thereon superposed in the mentioned order
- a lower electrode, an organic layer including an organic luminescent layer, and an counter layer;
- said element comprising a wiring layer connected to the bottom of said lower electrode, with a layer formed from a lateral layer covering the side of said wiring layer and from said wiring layer being trapezoidal (tapered) in section, said wiring layer being isolated by said lower electrode and said lateral layer from said organic layer.
An organic electroluminescence display device comprising a plurality of scanning electrode lines and a plurality of signal electrode lines intersecting said plurality of scanning electrode lines, with their intersections being provided with luminous pixels in arrays;
- said luminous pixels being organic electroluminescence elements each comprising a substrate and thereon superposed in the mentioned order a lower electrode, an organic layer including an organic luminescent layer, and an counter electrode, said scanning electrode lines each comprising said lower electrode and a wiring layer connected to the bottom of said lower electrode, with a layer formed from a lateral layer covering the side of said wiring layer and from said wiring layer being trapezoidal (tapered) in section, said wiring layer being isolated from said organic layer by said lower electrode and said lateral layer covering the side of said wiring layer, said signal electrode lines each including said counter electrode.
Dependencies are inferred from the claim text.